Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Duke of Aquitaine | Statement: [Count of Anjou, titleHolderBecame, Duke of Aquitaine]

Target entity: Duke of Aquitaine
Context triple: [Count of Anjou, titleHolderBecame, Duke of Aquitaine]

• A. Duke of Aquitaine chosen
  The Duke of Aquitaine was a powerful medieval noble title associated with rulership over the rich and strategically important region of Aquitaine in southwestern France, often held by English kings during the High Middle Ages.
• B. Duke of Gascony
  The Duke of Gascony was a medieval noble title held by the ruler of the historical region of Gascony in southwestern France, often associated with early feudal lords who later became linked to the dukes of Aquitaine.
• C. Viscount of Anjou
  The Viscount of Anjou was a medieval noble title held by a deputy or subordinate ruler who administered parts of the County of Anjou before the authority passed fully to the counts.
• D. Duke of Brittany
  The Duke of Brittany was the sovereign or semi-sovereign ruler of the historic region of Brittany in northwestern France, holding a ducal title central to the area's medieval political and cultural identity.
• E. Count of Anjou
  The Count of Anjou was a powerful medieval French noble title associated with the influential Angevin dynasty, whose holders, including future kings of England, controlled key territories in western France.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.